CN216150786U - Stretching device for two end cone shells - Google Patents
Stretching device for two end cone shells Download PDFInfo
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- CN216150786U CN216150786U CN202122050922.1U CN202122050922U CN216150786U CN 216150786 U CN216150786 U CN 216150786U CN 202122050922 U CN202122050922 U CN 202122050922U CN 216150786 U CN216150786 U CN 216150786U
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Abstract
The utility model discloses a stretching device for two end cone shells, which realizes the molding of two end cone half shells through a set of dies and ensures the product yield by integral molding. A stretching device for two end cone shells comprises an upper die holder, wherein a concave die holder is screwed on the lower surface of the upper die holder, the lower surface of the concave die holder is recessed to form a first concave pit, and the lower surfaces on two sides of the first concave pit are bent to form a step-shaped first curved surface and a step-shaped second curved surface; discharging pits are formed at the four corners of the die holder; a first concave die insert and a second concave die insert are screwed in a first concave pit of the concave die holder; the first concave die insert and the second concave die insert are spliced in the first concave pit; the lower surface of the first concave die insert is sunken to form a first concave chamber, the lower surfaces of two sides of the first concave chamber are bent to form a third curved surface spliced with the first curved surface, the lower surface of the second concave die insert is sunken to form a second concave chamber, and the lower surfaces of two sides of the second concave chamber are bent to form a fourth curved surface spliced with the second curved surface.
Description
Technical Field
The utility model belongs to the technical field of die equipment, and particularly relates to a stretching device for two end cone shells.
Background
The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. The drawing die belongs to the category of hardware drawing dies, and comprises a blanking die (including a blanking die), a bending die, a forming die (including cold extrusion and hot extrusion) and a drawing die (including deep drawing).
The existing end cone half shell is provided with an upper part and a lower part on the surface, as shown in fig. 1, the shape and the structure of the upper part and the lower part are different, and the two end cone shells are not positioned at the same height; at present, in order to manufacture the end cone half shell shown in fig. 1, an upper end cone shell and a lower end cone shell are separately produced and then welded; therefore, production steps are increased, material use is increased, and the two are welded together to solve the product problems of connection strength, weld firmness and the like.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a stretching device for two end cone shells, which realizes the formation of two end cone half shells by a set of molds, and is formed integrally, thereby ensuring the product yield.
In order to solve the technical problem, the utility model aims to realize that:
a stretching device for two end cone shells comprises an upper die holder, wherein a concave die holder is screwed on the lower surface of the upper die holder, the lower surface of the concave die holder is recessed to form a first concave pit, and the lower surfaces on two sides of the first concave pit are bent to form a step-shaped first curved surface and a step-shaped second curved surface; discharging pits are formed at the four corners of the die holder;
a first concave die insert and a second concave die insert are screwed in a first concave pit of the concave die holder; the first concave die insert and the second concave die insert are spliced in the first concave pit; the lower surface of the first concave die insert is sunken to form a first concave chamber, the lower surfaces of two sides of the first concave chamber are bent to form a third curved surface spliced with the first curved surface, the lower surface of the second concave die insert is sunken to form a second concave chamber, the lower surfaces of two sides of the second concave chamber are bent to form a fourth curved surface spliced with the second curved surface, the second concave chamber is special-shaped with the first concave chamber, and the fourth curved surface is spliced with the third curved surface;
the upper surface of the lower die base is provided with a lower clamping plate; the die further comprises an ejector rod, the ejector rod penetrates through the lower die base and the lower clamping plate, the upper surface of the ejector rod is connected with a lower stripping plate, and a space is reserved between the lower stripping plate and the lower clamping plate bracket;
the upper surface of the lower stripper plate is sunken to form a second pit, and the upper surfaces of two sides of the second pit are bent to form a step-shaped fifth curved surface and a step-shaped sixth curved surface; the fifth curved surface is attached to the first curved surface, and the sixth curved surface is attached to the second curved surface;
a convex module is screwed in the middle of the second concave pit of the lower stripping plate, and the upper surface of the convex module is matched with the first concave chamber and the second concave chamber;
the periphery of the convex module is screwed with an insert block, and the upper surface of the insert block is matched with the third curved surface and the fourth curved surface;
the discharging device is characterized by further comprising discharging bolts, wherein the four discharging bolts penetrate through four corners of the lower stripping plate respectively to be connected with the lower clamping plate, and the heads of the discharging bolts are used for being inserted into the discharging pits.
On the basis of the above scheme and as a preferable scheme of the scheme: the lower surface of the upper die holder is in threaded connection with a first cushion block, and the lower surface of the first cushion block is in threaded connection with a first guide sleeve; the lower surface of the upper die holder is in threaded connection with a first limiting column; a second guide sleeve is screwed on the upper surface of the lower die holder, and a first guide pillar is fixed inside the second guide sleeve; the first guide post is inserted into the first guide sleeve; the upper surface of the lower die base is in threaded connection with a second limiting column opposite to the first limiting column.
On the basis of the above scheme and as a preferable scheme of the scheme: four corners of the upper surface of the lower die base are screwed with forklift plates.
On the basis of the above scheme and as a preferable scheme of the scheme: eight balance limiting columns are screwed around the first pit on the lower surface of the die holder, and two limiting columns are arranged on each edge of the die holder; the upper surface of the lower stripper plate and the eight balance limiting columns correspondingly recess to form balance pits.
On the basis of the above scheme and as a preferable scheme of the scheme: the device comprises eight ejector rods, wherein the bottom surfaces of the ejector rods are provided with countersunk holes, and bolts penetrate through the countersunk holes to be connected with a lower stripping plate; each edge of the lower stripper plate is provided with two ejector rods.
On the basis of the above scheme and as a preferable scheme of the scheme: the device also comprises a male die cushion block; the bottom surface of the lower stripping plate is recessed to be step-shaped, a cushion block mounting hole is formed in the middle of the lower stripping plate, a male die cushion block is embedded into the mounting hole for fixation, and the male die cushion block penetrates through a bolt to be connected with the male die block.
On the basis of the above scheme and as a preferable scheme of the scheme: the male die block comprises a first male die insert and a second male die insert.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
compared with the prior art, the stretching device for the two end cone shells comprises a first concave pit of a concave die holder, a second concave die insert and a first curved surface, wherein the concave die holder is bent with the first curved surface and the second curved surface, and the first curved surface and the second curved surface are matched with the third curved surface and the fourth curved surface, so that the two end cone shells of a workpiece corresponding to a first concave chamber and a second concave chamber are formed; the device can produce two end cone half shells simultaneously, greatly improves the material utilization rate, reduces the die cost and the production cost, improves the production efficiency and the like;
discharging the material by a lower stripper plate;
drawings
FIG. 1 is a schematic structural view of an end cone housing.
Fig. 2 is a schematic diagram of the overall explosive structure of the present invention.
Fig. 3 is a schematic diagram of the overall explosive structure of the present invention.
Fig. 4 is a schematic view of the overall structure of the present invention.
Fig. 5 is a partial structural schematic diagram of the present invention.
FIG. 6 is a schematic view of the die holder of the present invention.
Figure 7 is a schematic view of a first cavity insert according to the present invention.
Figure 8 is a schematic view of a second cavity insert according to the present invention.
Fig. 9 is a partial structural schematic of the present invention.
Fig. 10 is a schematic view of the construction of the carrier rod of the present invention.
FIG. 11 is a schematic view of a lower stripper structure of the present invention.
Reference numerals: an upper die holder 01; a first cushion block 010; a first guide bush 011; a first stopper column 012; a female die holder 02; a first recess 020; a first curved surface 021; a second curved surface 022; a discharge pit 023; a limiting column 024; a first female mold insert 03; a first recess 030; a third curved surface 031; a second female die insert 04; a second recess 041; a fourth curved surface 042; a lower die holder 05; a second guide sleeve 050; a first guide pillar 051; a second limit post 052; forklift plate 053; a lower clamp plate 06; a mandril 07; a counterbore 070; a lower stripper plate 08; a second pit 080; a fifth curved surface 081; a sixth curved surface 082; a balance pit 083; cushion block mounting holes 084; a male mold block 09; the first punch insert 090; the second punch insert 091; an insert block 10; a discharge bolt 11; a punch pad 12;
Detailed Description
The utility model will be further described in the following with specific embodiments in conjunction with the accompanying drawings;
the embodiment provides a stretching device for two end cone shells, which comprises an upper die base 01, wherein the upper die base 01 is in a flat plate shape and is made of a metal plate, and a circular hole or a countersunk hole 070 is formed in the upper die base 01;
the lower surface of the upper die holder 01 is in threaded connection with the female die holder 02, and the tail of the bolt penetrates through the upper die holder 01 to be in threaded connection with the female die holder 02; the lower surface of the concave die holder 02 is recessed to form a first concave pit 020, and the lower surfaces of two sides of the first concave pit 020 are bent to form a stepped first curved surface 021 and a stepped second curved surface 022; the first curved surface 021 and the second curved surface 022 are arranged to be matched with two end cone shells which can be stretched, and the first curved surface 021 and the second curved surface 022 have a height difference to achieve different stretching effects;
discharging pits 023 are formed in four corners of the die holder 02; the discharging pit 023 is in a round hole shape and is used for inserting the discharging bolt 11;
a first concave die insert 03 and a second concave die insert 04 are screwed in a first concave pit 020 of the concave die holder 02; a bolt penetrates from the back of the first concave pit 020 and is in threaded connection with the first concave die insert 04 and the second concave die insert 04;
the first concave die insert 03 and the second concave die insert 04 are spliced in the first concave pit 020; the lower surface of the first female die insert 03 is recessed to form a first concave chamber 030, and the first concave chamber 030 is used for forming an end cone shell; the lower surfaces of the two sides of the first concave chamber 030 are bent to form a third curved surface 031 which is spliced with the first curved surface 021, and the third curved surface 031 is used for matching to realize the molding of the end cone shell;
the lower surface of the second concave die insert 04 is recessed to form a second concave chamber 041, and the second concave chamber 041 is used for forming the other end cone shell; the lower surfaces of the two sides of the second concave chamber 041 are bent to form a fourth curved surface 042 spliced with the second curved surface 022, and the fourth curved surface 042 is used for matching to realize the molding of the other end cone shell;
the second concave chamber 041 is special-shaped with the first concave chamber 030, and the two concave chambers are used for forming different end cone shells, so that the effect of integration and one-step forming is achieved, and the product quality is better; the fourth curved surface 042 and the third curved surface 031 are spliced and can be in continuous transition connection without deviation;
the die further comprises a lower die holder 05, wherein the lower die holder 05 is plate-shaped and made of a metal plate, and a plurality of round holes or countersunk holes 070 are formed in the lower die holder 05; the upper surface of the lower die holder 05 is provided with a lower clamping plate 06; the lower clamping plate 06 is also plate-shaped and is made of a metal plate, and the lower clamping plate 06 is attached to the lower die holder 05;
the device also comprises an ejector rod 07, wherein the ejector rod 07 is cylindrical and is made of round steel; the ejector rod 07 penetrates through the lower die holder 05 and the lower clamping plate 06, the upper surface of the ejector rod 07 is connected with a lower stripping plate 08, and a space exists between the lower stripping plate 08 and the lower clamping plate 06; the ejector rod 07 penetrates through the lower die holder 05 and the lower clamping plate 06 to jack the lower stripper plate 08 up for realizing stripping; the bottom surface of the ejector rod 07 is pressed with an air cap or elastic objects such as a spring, an elastic block and the like to realize elastic compression and reset;
the upper surface of the lower stripping plate 08 is sunken to form a second pit 080, and the upper surfaces of two sides of the second pit 080 are bent to form a step-shaped fifth curved surface 081 and a step-shaped sixth curved surface 082; the fifth curved surface 081 is attached to the first curved surface 021, and the sixth curved surface 082 is attached to the second curved surface 022; the fifth curved surface 081 and the sixth curved surface 082 are continuously arranged, and in order to match the first curved surface 021 and the second curved surface 022 on the upper die base 01, the effect of matching the stretching of the end cone shell is realized;
the middle of a second pit 080 of the lower stripping plate 08 is screwed with a convex module 09, and a bolt penetrates through the bottom surface of the lower stripping plate 08 and is in threaded connection with the bottom surface of the convex module 09; the upper surface of the male die block 09 is matched with the first concave chamber 030 and the second concave chamber 041; the male die, the first female die insert 03 and the second female die insert 04 stretch the workpiece;
the insert block 10 is screwed around the convex module 09, and the bolt also penetrates through the bottom surface of the second pit 080 to be in threaded connection with the bottom surface of the insert block 10; the upper surface of the insert block 10 is matched with the third curved surface 031 and the fourth curved surface 042; the insert block 10 fills the vacancy at the periphery of the convex module 09, and meanwhile, the insert block 10 adopts a detachable structure, so that the defect maintenance and replacement from the lower stripper plate 08 at the later stage can be facilitated;
the discharging bolt is characterized by further comprising a discharging bolt 11, wherein the discharging bolt 11 is a long bolt; four discharging bolts 11 respectively penetrate through four corners of the lower stripping plate 08 to be connected with the lower clamping plate 06, the discharging bolts 11 penetrate through the lower stripping plate 08 and the lower clamping plate 06 to be fixedly connected in a threaded mode, and the discharging bolts 11 are used for avoiding the lower stripping plate 08 from being ejected and deviated by the ejector rods 07; the head of the unloading bolt 11 is used for being inserted into the unloading pit 023, and after a workpiece is extruded, stretched and molded on the convex die block 09, the lower stripper plate 08 moves upwards to strip materials;
as described above, in the using process, a plate is placed on the male die block 09, the upper die base 01 descends, the first female die insert 03 and the second female die insert 04 contact the plate, the lower stripper plate 08 is extruded by the female die base 02, the lower stripper plate 08 descends continuously, the two end cone shells are molded, the upper die base 01 ascends, and the lower stripper plate 08 ascends.
Further, a first cushion block 010 is screwed on the lower surface of the upper die base 01, and a first guide sleeve 011 is screwed on the lower surface of the first cushion block 010; the lower surface of the upper die holder 01 is in threaded connection with a first limiting column 024012;
the upper surface of the lower die holder 05 is in threaded connection with a second guide sleeve 050, and a first guide pillar 051 is fixed inside the second guide sleeve 050; the first guide pillar 051 is used for inserting into the first guide sleeve 011;
the upper surface of the lower die holder 05 is screwed with a second limiting column 024052 opposite to the first limiting column 024012.
As mentioned above, the first cushion block 010 is made of a metal block, and the first cushion block 010 can be screwed on the upper die holder 01 or welded; the first guide sleeve 011 is also made of metal, and the first guide sleeve 011 is cylindrical; the first limiting column 024012 is also a metal bar, and the first limiting column 024012 is arranged between the two first cushion blocks 010 to play a role in supporting and limiting, so that the upper die holder 01 is prevented from moving downwards too much; the first guide pillar 051 is made of a metal rod and is used for being inserted into the first guide sleeve 011 to play a role in guiding and limiting;
further, four corners of the upper surface of the lower die holder 05 are screwed with forklift plates 053.
As described above, the forklift board 053 is a metal board, and is used for the whole device for moving the forklift legs;
furthermore, eight balance limiting columns 024 are screwed around the first concave pit 020 on the lower surface of the concave die holder 02, the balance limiting columns 024 are made of round steel, and the lower surface of the balance limiting columns 024 is arranged in the counter bore 070 and is in threaded connection with the concave die holder 02 through a bolt; each edge of the female die holder 02 is provided with two limiting columns 024;
the upper surface of the lower stripping plate 08 and the corresponding depressions of the eight balance limiting columns 024 form balance pits 083.
As mentioned above, because the surfaces of the die holder 02 and the lower stripper plate 08 are not flat, all the die holder are designed to be curved surface shapes in order to match and draw two opposite end cone shells, and the balance limiting columns 024 are added in order to ensure the balance;
further, the lifting mechanism comprises eight ejector rods 07, wherein the bottom surfaces of the ejector rods 07 are provided with countersunk holes 070, and bolts penetrate through the countersunk holes 070 to be connected with a lower stripping plate 08;
each edge of the lower stripper plate 08 is provided with two push rods 07.
As described above, the eight push rods 07 are distributed pairwise to achieve the effect of supporting the balance of the lower stripper plate 08;
further, the device also comprises a punch cushion block 12; the bottom surface of the lower stripping plate 08 is recessed into a step shape in order to match two end cone shells with different heights; the middle of the lower stripping plate 08 is provided with a cushion block mounting hole 084, a convex die cushion block 12 is embedded into the mounting hole for fixation, and the convex die cushion block 12 penetrates through a bolt to be connected with the convex die block 09.
As described above, the convex die cushion block 12 is arranged below the convex die block 09, so that multiple impacts can be borne in the workpiece forming process, and the convex die block 09 or the convex die cushion block 12 can be maintained conveniently after being damaged without replacing the whole lower stripper plate 08;
further, the male die block 09 includes a first male die insert 090 and a second male die insert 091.
As mentioned above, the first male mold insert 090 is used for forming one end cone housing, and the second male mold insert 091 is used for forming the other end cone housing, which are different from each other and can be replaced;
in the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one skilled in the art, and are used merely for convenience in describing and simplifying the utility model, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. The utility model provides a stretching device of two end cone shells which characterized in that: the die comprises an upper die holder, wherein a concave die holder is screwed on the lower surface of the upper die holder, a first concave pit is formed in the lower surface of the concave die holder in a concave mode, and the lower surfaces of two sides of the first concave pit are bent to form a step-shaped first curved surface and a step-shaped second curved surface; discharging pits are formed at the four corners of the die holder;
a first concave die insert and a second concave die insert are screwed in a first concave pit of the concave die holder; the first concave die insert and the second concave die insert are spliced in the first concave pit; the lower surface of the first concave die insert is sunken to form a first concave chamber, the lower surfaces of two sides of the first concave chamber are bent to form a third curved surface spliced with the first curved surface, the lower surface of the second concave die insert is sunken to form a second concave chamber, the lower surfaces of two sides of the second concave chamber are bent to form a fourth curved surface spliced with the second curved surface, the second concave chamber is special-shaped with the first concave chamber, and the fourth curved surface is spliced with the third curved surface;
the upper surface of the lower die base is provided with a lower clamping plate; the die further comprises an ejector rod, the ejector rod penetrates through the lower die base and the lower clamping plate, the upper surface of the ejector rod is connected with a lower stripping plate, and a space is reserved between the lower stripping plate and the lower clamping plate bracket;
the upper surface of the lower stripper plate is sunken to form a second pit, and the upper surfaces of two sides of the second pit are bent to form a step-shaped fifth curved surface and a step-shaped sixth curved surface; the fifth curved surface is attached to the first curved surface, and the sixth curved surface is attached to the second curved surface;
a convex module is screwed in the middle of the second concave pit of the lower stripping plate, and the upper surface of the convex module is matched with the first concave chamber and the second concave chamber;
the periphery of the convex module is screwed with an insert block, and the upper surface of the insert block is matched with the third curved surface and the fourth curved surface;
the discharging device is characterized by further comprising discharging bolts, wherein the four discharging bolts penetrate through four corners of the lower stripping plate respectively to be connected with the lower clamping plate, and the heads of the discharging bolts are used for being inserted into the discharging pits.
2. The apparatus for stretching two end cone shells according to claim 1, wherein: the lower surface of the upper die holder is in threaded connection with a first cushion block, and the lower surface of the first cushion block is in threaded connection with a first guide sleeve; the lower surface of the upper die holder is in threaded connection with a first limiting column;
a second guide sleeve is screwed on the upper surface of the lower die holder, and a first guide pillar is fixed inside the second guide sleeve; the first guide post is inserted into the first guide sleeve;
the upper surface of the lower die base is in threaded connection with a second limiting column opposite to the first limiting column.
3. The apparatus for stretching two end cone shells according to claim 2, wherein: four corners of the upper surface of the lower die base are screwed with forklift plates.
4. The apparatus for stretching two end cone shells according to claim 1, wherein: eight balance limiting columns are screwed around the first pit on the lower surface of the die holder, and two limiting columns are arranged on each edge of the die holder;
the upper surface of the lower stripper plate and the eight balance limiting columns correspondingly recess to form balance pits.
5. The apparatus for stretching two end cone shells according to claim 1, wherein: the device comprises eight ejector rods, wherein the bottom surfaces of the ejector rods are provided with countersunk holes, and bolts penetrate through the countersunk holes to be connected with a lower stripping plate;
each edge of the lower stripper plate is provided with two ejector rods.
6. The apparatus for stretching two end cone shells according to claim 1, wherein: the device also comprises a male die cushion block; the bottom surface of the lower stripping plate is recessed to be step-shaped, a cushion block mounting hole is formed in the middle of the lower stripping plate, a male die cushion block is embedded into the mounting hole for fixation, and the male die cushion block penetrates through a bolt to be connected with the male die block.
7. The apparatus for stretching two end cone shells according to claim 6, wherein: the male die block comprises a first male die insert and a second male die insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050922.1U CN216150786U (en) | 2021-08-26 | 2021-08-26 | Stretching device for two end cone shells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122050922.1U CN216150786U (en) | 2021-08-26 | 2021-08-26 | Stretching device for two end cone shells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216150786U true CN216150786U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122050922.1U Active CN216150786U (en) | 2021-08-26 | 2021-08-26 | Stretching device for two end cone shells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216150786U (en) |
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2021
- 2021-08-26 CN CN202122050922.1U patent/CN216150786U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG KUANGJI AUTO PARTS CO.,LTD. Assignor: PINGHU AICHIWEI AUTO PARTS Co.,Ltd. Contract record no.: X2023330000488 Denomination of utility model: A stretching device for two end cone shells Granted publication date: 20220401 License type: Common License Record date: 20230807 |
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| EE01 | Entry into force of recordation of patent licensing contract |